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Gepubliceerd in: Journal of Psychopathology and Behavioral Assessment 4/2023

18-08-2023

Psychometric Properties of Two Independent Measures Evaluating Uncertainty and Ambiguity

Auteurs: Kaitlyn M. Nagel, DeMond M. Grant, Burkhart J. Hahn, Danielle E. Deros, Ebony A. Walker

Gepubliceerd in: Journal of Psychopathology and Behavioral Assessment | Uitgave 4/2023

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Abstract

Although uncertainty and ambiguity have been used interchangeably within the anxiety literature, no studies have directly compared the psychometric properties and predictive utility of two commonly used scales to assess these constructs, the Intolerance of Uncertainty Scale (IUS) and the Tolerance of Ambiguity Scale (TOA). Furthermore, previous findings of the individual scales have been inconsistent regarding their factor structure and potential clinical utility. Therefore, the current study aims to independently evaluate the factor structure of the IUS and TOA utilizing exploratory and confirmatory factor analysis. Additionally, predictive utility of the scales was evaluated with correlation and regression analyses. Data were collected across 3 studies. Results suggest two-factor solutions provide the best-fitting models for both scales; however, these findings differ from previous studies. The IUS and its subscales provide greater predictive utility for anxiety and related areas of psychopathology compared to the TOA, suggesting that the IUS and uncertainty may be more closely related to anxiety and related symptoms. Future studies should continue to examine the interconnected role of uncertainty and ambiguity within anxiety and other forms of psychopathology.
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Metagegevens
Titel
Psychometric Properties of Two Independent Measures Evaluating Uncertainty and Ambiguity
Auteurs
Kaitlyn M. Nagel
DeMond M. Grant
Burkhart J. Hahn
Danielle E. Deros
Ebony A. Walker
Publicatiedatum
18-08-2023
Uitgeverij
Springer US
Gepubliceerd in
Journal of Psychopathology and Behavioral Assessment / Uitgave 4/2023
Print ISSN: 0882-2689
Elektronisch ISSN: 1573-3505
DOI
https://doi.org/10.1007/s10862-023-10075-3

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